Kill 10 Enemies with Grenades While Hanging

Kill 20 Enemies with the Desert - 5

Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Kill 30 Enemies with the M79

Kill 30 Enemies with Mk-NDI Grenades

Kill 3 Enemies with 1 Explosion

Find 1 Treasure

Kill 5 Enemies in a Row with Brutal Combo

Finish the Game on Normal Without Changing the Difficulty

Kill 50 Enemies with the 92FS - 9mm

Kill 20 Enemies with the Wes - 44

Defeat 250 Enemies with Headshots